Experimental Study on the Effect of Pitch Sloshing on the Heat Transfer and Pressure Drop of an LNG Spiral-Wound Heat Exchanger

被引：2
作者：
Dong, Longfei [1 ]
Wang, Hao [1 ]
Wu, Xiao [1 ]
Xin, Yanping [1 ]
Jiang, Shunyao [1 ]
Yao, Hailei [1 ]
Huo, Yanling [1 ]
机构：
[1] Shandong Inst Petr & Chem Technol, Dongying 257061, Shandong, Peoples R China
来源：
ACS OMEGA | 2023年 / 8卷 / 30期
关键词：
SHELL-SIDE FLOW; FILM FLOW; GAS-FLOW; MODEL; PERFORMANCES; WALL;
D O I：
10.1021/acsomega.3c02983
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
With the development and utilization of offshore liquefiednaturalgas, it is increasingly important to study the influence of the heattransfer performance of a spiral-wound heat exchanger under sloshingconditions. This study focused on the effects of different sloshingamplitudes and sloshing periods on the heat transfer and pressuredrop performance of a heat exchanger. Through experimental research,the results showed that the fluctuation of the UA (U is the heat transfer coefficient; A is the heatexchange area) value first increased and then decreased with an increasein the sloshing amplitude. The UA value increased by 12.92% and decreasedby 42.03% compared to the static value at 3 and 9 & DEG;, respectively.The fluctuation in the UA value first decreased and then increasedwith an increase in the sloshing period. The UA value decreased by36.66% and increased by 10.82% slowly compared to the static valuewhen the sloshing period was 6 and 20 s, respectively. Based on this,a mathematical model of heat transfer under the condition of pitchsloshing was established.
引用
收藏
页码：27467 / 27481
页数：15
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